text/html; w3m -I %{charset} -T text/html; copiousoutput;
image/*; sxiv -a -b %s; copiousoutput
text/plain; $EDITOR %s
text/html; w3m -I %{charset} -T text/html; copiousoutput
video/*; setsid mpv --quiet %s &; copiousoutput
application/pdf; zathura %s